Inheritance of skin colour in human is an example of

The equation of the straight line perpendicular to $5x - 2y = 7$ and passing through the point of intersection of the lines $2x + 3y = 1$ and $3x + 4y = 6$ is

If a polygon of $n$ sides has $275$ diagonals,then $n$ is equal to

If $A$ and $B$ are two sets,then $A \cup B = A \cap B$ if and only if

If ${I_0}$ is the intensity of the principal maximum in the single slit diffraction pattern,then what will be its intensity when the slit width is doubled?

$A$ body of mass $m$ and radius of gyration $K$ has an angular momentum $L$. Then its angular velocity is